Home / 765,697.62-1,056,895.11-443,486.82

Finding the Fourth Proportional to 765,697.62, 1,056,895.11 and 443,486.82

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Solution

The fourth proportional to 765,697.62, 1,056,895.11 and 443,486.82 is: 612,146.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,697.62 : 1,056,895.11 = 443,486.82 : x
  2. Step 2: Convert to fraction form
    765,697.62/1,056,895.11 = 443,486.82/x
  3. Step 3: Cross multiply
    765,697.62x = 1,056,895.11 × 443,486.82
  4. Step 4: Simplify right side
    765,697.62x = 468,719,051,407.45
  5. Step 5: Solve for x
    x = 468,719,051,407.45/765,697.62
  6. Step 6: Final answer
    x = 612,146.41

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.